KR100261765B1 - The connecting method of the pipe under the ground - Google Patents

The connecting method of the pipe under the ground Download PDF

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Publication number
KR100261765B1
KR100261765B1 KR1019970039018A KR19970039018A KR100261765B1 KR 100261765 B1 KR100261765 B1 KR 100261765B1 KR 1019970039018 A KR1019970039018 A KR 1019970039018A KR 19970039018 A KR19970039018 A KR 19970039018A KR 100261765 B1 KR100261765 B1 KR 100261765B1
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South Korea
Prior art keywords
pipe
heat shrink
heat
pipes
underground buried
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KR1019970039018A
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Korean (ko)
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KR19990016456A (en
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김용택
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김용택
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/02—Welded joints; Adhesive joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
    • F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
    • F16L1/036—Laying or reclaiming pipes on land, e.g. above the ground in the ground the pipes being composed of sections of short length
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/06—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/20—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics based principally on specific properties of plastics
    • F16L47/22—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics based principally on specific properties of plastics using shrink-down material

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Road Paving Structures (AREA)

Abstract

PURPOSE: A connecting method of pipes laid underground is provided to connect plural pipes laid underground tightly by thermal contraction of heat shrink pipes and to connect the pipes corresponding to various forms and size. CONSTITUTION: A synthetic resin pipe(10a) has a bore and sectional thickness(t) corresponding to rolling degree. The synthetic resin pipe is processed by a pipe mill(20) into a heat shrink pipe(10b) having preset bore size and sectional thickness(t-1). Both predetermined underground-laid pipes are inserted into the heat shrink pipe, and the heat shrink pipe is heated at a set temperature by a heater. As the heat shrink pipe is contracted by heat gradually, the heat shrink pipe is closely adhered to the outside of the both underground-laid pipes. Thereby, the heat shrink pipe is connected with the underground-laid pipes tightly.

Description

지중매설관의 연결방법How to connect underground buried pipe

본 발명은 각종의 지중매설관을 압연 가공된 열수축파이프로서 밀실하게 연결시켜주는 지중매설관의 연결방법에 관한 것이다.The present invention relates to a method of connecting underground buried pipes which tightly connects various underground buried pipes as a rolled heat-shrink pipe.

지중매설관을 연결 배관함에 있어 그 지중매설관의 연결부위는 누수로 인하여 시공상의 하자를 유발시키는 근본적인 원인이 되는 바, 이러한 지중매설관을 보다 밀실하게 연결시켜서 연결부위의 수밀성을 보장하여 주도록 다양한 연결수단과 함께 연결방법이 제안되어서 시공현장에서 적극 활용되고 있다.In the connection of underground buried pipe, the connection part of the underground buried pipe is a fundamental cause of construction defects due to leakage. Therefore, the underground buried pipe is connected more tightly to ensure the tightness of the connection area. Along with the connection means, a connection method has been proposed and is actively used in construction sites.

이와 같은 지중매설관의 연결수단과 관련하여 제안된 것으로 국내 공개실용신안공보 제97-18651호(1997.5.26)에는 도1의 도시와 같이, " 일측단에 연결시킬 관체 (H)가 접착되는 접속부(2)를 일체로 구비시킨 소정형상의 관체연결구(1)에 있어서 ; 상기 관체(H)가 끼워질 수 있는 갭(G)을 두고 접속부(2)와 일체로 형성되며 유체로부터의 접속부위 차단과 접속부위의 구조적 보강을 위한 보강관체(3)와 ; 상기 보강관체 (3)의 내주면에 고정 ·삽지되며 가열압점에 의한 관체 접속시 관체(H)의 변형을 억제시켜 주기 위한 지지관(4)을 결합 구성하여서 " 된 가열압접식 관체 결속구조를 갖는 합성수지 관체연결구가 선출원공개되어 있다.As proposed in connection with the underground means of the underground buried pipe is proposed in the Korean Utility Model Publication No. 97-18651 (1997.5.26), as shown in Figure 1, "The body (H) to be connected to one end is bonded In the tubular connector 1 of a predetermined shape having the connecting portion 2 integrally formed therein, the connecting portion from the fluid is formed integrally with the connecting portion 2 with a gap G into which the tubular body H can be fitted. Reinforcing pipe (3) for blocking and structural reinforcement of the connection portion; and Support pipe for fixing and insertion on the inner circumferential surface of the reinforcing pipe (3) to suppress the deformation of the pipe (H) when connecting the pipe by the hot pressure point ( The composite resin pipe connector having a hot press-fitted pipe binding structure consisting of a combination of 4) is disclosed in advance.

이 합성수지 관체연결구(1)는 그 접속부(2)와 보강관체(3) 사이에 관체(H)를 삽입하고 가열 압착하여서 연결시키게 됨으로써, 접착제를 사용하지 않고도 관체(H)를 밀실하게 접속시켜서 유체가 누설됨을 방지하여 주는 장점이 있었다.The synthetic resin tubular connector 1 is connected between the connecting portion 2 and the reinforcing tubular body 3 by inserting the tubular body H and pressing it by heating and pressing, thereby tightly connecting the tubular body H without using an adhesive, Has the advantage of preventing leakage.

또한, 지지관(4)으로서 보강관체(3)을 지지하여서 관체(H)를 보다 견실하게 연결할 수 있도록 하여서, 접속부(2)와 보강관체(3)사이에 관체(H)를 삽입시키고 가열프레스로서 가열 압착시켜서 접속시키는 과정에서 보강관체(3)을 포함한 관체(H)가 힘없이 눌려져서 변형됨을 방지하여 줄 뿐만 아니라, 외적인 하중이나 충격에 대한 연결부위의 저항력을 크게 향상시켜 주는 장점을 가지게 되었다.In addition, by supporting the reinforcing pipe body 3 as the support pipe 4 so that the pipe body H can be more firmly connected, the pipe body H is inserted between the connecting portion 2 and the reinforcing pipe body 3 and heated. In order to prevent the deformation of the pipe body (H) including the reinforcing pipe body (3) without force in the process of heat-compression bonding, as well as to significantly improve the resistance of the connection to external loads or impacts. It became.

그러나, 이와 같은 종래의 합성수지 관체연결구(1)는 첫째 접속부(2)에 갭(G)을 두고 보강관체(3)을 일체로 형성하고 그 보강관체의 내면에 결합되는 지지관(4)을 별도로 갗추어야 하기 때문에, 제작공정이 까다롭고 불필요한 구성부품수가 증가하여서 제작원가가 상승되는 문제점이 있었으며, 들째 보강관체(3)와 그 보강관체 내부에 결합되는 지지관(4)이 정확한 치수의 규격품으로서 제작되어야 하기 때문에, 다양한 형태와 규격의 지중매설관을 융통성있게 연결하기 어려운 문제점이 있었으며, 셋째 관체(H) 연결시에 구성부품들을 일일이 결합한 후에 비로서 관체(H)를 연결시킬 수밖에 없기 때문에, 연결작업이 번거로울 뿐만 아니라 작업공정이 증가하여서 시공능률이 크게 저하되는 문제점이 있었다.However, such a conventional synthetic resin pipe connector (1) has a gap (G) in the first connection portion (2) to form a reinforcement pipe (3) integrally and the support pipe (4) coupled to the inner surface of the reinforcement pipe separately Since the fabrication process is difficult and the number of unnecessary components is increased, the manufacturing cost is increased. For example, the reinforcing pipe 3 and the support pipe 4 coupled to the inside of the reinforcing pipe are the standard products of the correct dimensions. Since it has to be manufactured, there was a problem that it is difficult to flexibly connect underground buried pipes of various shapes and specifications, and since the components of the third pipe (H) are connected to each other after the components are bound together, the pipe (H) can only be connected. Not only is the connection work cumbersome, but there is a problem that the construction efficiency is greatly reduced due to an increase in the work process.

본 발명은 지중매설관들을 압연 가공된 열수축파이프의 열수축작용으로서 밀실하게 연결시켜 주도록 하여, 첫째 지중매설관들을 보다 자렴한 비용으로서 수밀하게 연결시켜서 신뢰성 및 경제성을 제고하여 주며, 둘째 다양한 형태와 규격의 지중매설관에 맞추어 연결할 수 있는 융통성을 부여하여 주며, 셋째 지중매설관의 연결작업을 간편화 하여서 시공성을 향상시켜 주는 지중매설관의 연결방법을 제공하는 데 그 목적이 있다.The present invention is to tightly connect the underground buried pipes as a heat shrink action of the heat-shrinkable pipes to be rolled, firstly to closely connect the underground buried pipes at a more self-sufficient cost to improve reliability and economics, and secondly various forms and specifications The purpose is to provide flexibility for connecting underground buried pipes, and to provide a method of connecting underground buried pipes to improve the constructability by simplifying the connection work of underground buried pipes.

제1도는 종래 합성수지 관체연결구의 실시상태를 나타낸 단면도.1 is a cross-sectional view showing an embodiment of a conventional synthetic resin pipe connector.

제2a도, 제2b도, 제2c도는 본 발명 지중매설관의 연결방법에 따른 작업공정을 단계별로 나타낸 것임.2a, 2b, 2c is a step-by-step showing the work process according to the connection method of the underground buried pipe of the present invention.

제3도는 본발명의 일실시예에 따른 지중매설관의 연결방법을 나타낸 것으로, 내외면이 평활한 지중매설관들 연결한 것임.3 is a view illustrating a method of connecting underground buried pipes according to an embodiment of the present invention.

제4도는 본발명의 다른 실시예에 따른 지중매설관의 연결방법을 나타낸 것으로, 서로 다른 관경 크기의 지중매설관들을 연결한 것임.4 is a view illustrating a method of connecting underground buried pipes according to another embodiment of the present invention, and connecting underground buried pipes having different diameter sizes.

제5도는 본발명의 가열수단을 면상발열체로하여 열수축파이프를 가열하는 상태를 예시한 것임.5 illustrates a state of heating the heat shrink pipe by using the heating means of the present invention as a planar heating element.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10a : 합성수지파이프 10b : 열수축파이프10a: synthetic resin pipe 10b: heat shrink pipe

20 : 압연기 21 : 고정로울러20: rolling mill 21: fixed roller

22 : 가동로울러 30 : 가열수단22: operation roller 30: heating means

H : 열풍히이터 C : 면상발열체H: Hot air heater C: Planar heating element

본 발명의 지중매설관의 연결방법은 도2a, 도2b, 도2c에 도시되는 바와 같이, 압연량을 감안한 크기의 내경(Φ) 및 단면두께(t)를 가지는 합성수지파이프(10a)를 파이프압연기(20)로 가공하여서 예정된 치수의 내경(Φ1)및 단면두께(t-1)를 가지는 열수축파이프(10b)로 압연하고, 미리 준비된 양측의 지중매설관(100)들을 압연된 열수축파이프(10b)의 내부에 서로 맞닿아지도록 끼워서 위치시키고, 가열수단(30)으로서 열수축파이프(10b)을 설정된 온도로 가열하여 그 열수축파이프가 점진적으로 열수축되어서 양측의 지중매설관(100)들의 외면에 밀착되도록 연결함을 기술구성상의 특징으로 한다.In the method of connecting the underground buried pipe of the present invention, as shown in Figures 2a, 2b, 2c, the pipe rolling mill is a synthetic pipe (10a) having an inner diameter (Φ) and the cross-sectional thickness (t) of the size in consideration of the amount of rolling (20) and rolled into a heat shrink pipe (10b) having an inner diameter (Φ 1 ) and a cross-sectional thickness (t- 1 ) of a predetermined dimension, and the previously prepared underground buried pipes (100) on both sides of the rolled heat shrink pipe (10b) ) Is placed so as to be in contact with each other inside, and the heat shrink pipe 10b as a heating means 30 is heated to a set temperature so that the heat shrink pipe is gradually heat contracted to be in close contact with the outer surface of the underground buried pipes 100 on both sides The connection box is characterized by technical configuration.

다시말해서, 본발명의 지중매설관의 연결방법은 양측의 지중매설관(100)들을 압연가공된 열수축파이프(10b) 내에 끼우고, 가열수단(30)으로 열수축파이프(10b)가 점진적으로 열수축되도록 가열하여서 양측의 지중매설관(100)들의 외면에 밀착되도록 연결시키게 되는 것이다.In other words, the connection method of the underground buried pipe of the present invention is to insert the underground buried pipes (100) on both sides in the rolled heat shrink pipe (10b), so that the heat shrink pipe (10b) is gradually heat shrink by the heating means 30 By heating it will be connected to be in close contact with the outer surface of the underground buried pipe (100).

따라서, 본발명은 첫째 제작원가가 비교적 저렴한 열수축파이프(10b)로서 지중매설관(100)을 틈새없이 연결하여 시공품질을 향상시켜 주는 동시에 경제적으로 시공할 수 있도록 하며, 둘째 압연 가공된 열수축파이프(10b)의 열수축작용으로서 형태나 규격에 구애됨이 없이 지중매설관(100)을 융통성있게 연결시켜 주며, 셋째 최소한의 구성부품으로서 불필요한 작업공수를 감축시켜 주어서 지중매설관(100)의 연결작업을 신속하고 능률적으로 수행할 수 있도록 하여 주는 등의 장점을 가지게 되는 것이다.Therefore, the present invention is the first manufacturing cost is relatively inexpensive heat shrink pipe (10b) to connect the underground buried pipe (100) without gaps to improve the construction quality and economical construction, and secondly rolled heat shrink pipe ( 10b) as a heat shrinkage action, flexible connection between the underground buried pipe 100 without regard to the form or specification, and thirdly to reduce the unnecessary work maneuver as a minimum component to connect the underground buried pipe 100 It has the advantage of being able to perform quickly and efficiently.

이하, 본 발명의 지중매설관의 연결방법은 첨부도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, the connection method of the underground buried pipe of the present invention will be described in detail by the accompanying drawings.

도2a는 열수축파이프(10b)를 압연하는 단계의 작업공정을 예시한 것이다.Figure 2a illustrates the working process of rolling the heat shrink pipe (10b).

이 작업공정에서는 통상의 파이프압연기(20)에 압연량을 감안한 크기의 내경(Φ)및 단면두께(t)를 가지는 합성수지파이프(10a)를 기공할 수 있도록 끼워서 위치시킨 후에, 파이프압연기(20)를 가동시켜서 예정된 치수의 내경(Φ1)및 단면두께(t-1)를 가지는 열수축파이프(10b)로 압연시켜 주게 된다. 이때, 열수축파이프(10b)는 그 내경(Φ1)이 원재료인 합성수지파이프(10a)의 내경(Φ)에 비하여 대략 160~180%정도로 확경되도록 압연시켜서, 일정한 온도의 열을 가하면 중심방향으로 균등하게 수축되려는 특성이 부여되도록 한다.In this work step, the pipe mill 20 is inserted into the pipe mill 20 so that the synthetic resin pipe 10a having an inner diameter Φ and a cross-sectional thickness t can be pore sized in consideration of the rolling amount. Is rolled into a heat shrinkable pipe 10b having an inner diameter Φ 1 and a cross-sectional thickness t −1 of a predetermined dimension. At this time, the heat shrink pipe 10b is rolled so that its inner diameter Φ 1 is enlarged to approximately 160 to 180% of the inner diameter Φ of the synthetic resin pipe 10a, which is a raw material. To impart the property to shrink.

그리고, 열수축파이프(10b)는 파이프압연기(20)를 갖춘 공장에서 압연 제작하여서 공사현장에 반입 사용하는 것이 바람직 하며, 필요에 따라서는 공사현장에 파이프압연기(20)를 갖추어서 열수축파이프(10b)을 직접 압연 제작하여서 사용할 수도 있음 을 밝혀 둔다.In addition, the heat shrink pipe 10b is preferably rolled and manufactured in a factory equipped with a pipe rolling mill 20 and used in a construction site. If necessary, the heat shrink pipe 10b includes a pipe rolling machine 20 at a construction site. It turns out that it can also be used by rolling directly.

여기에서, 상기 파이프압연기(20)는 고정 및 가동로울러(21)(22)들을 갖추어서 합성수지파이프(10a)를 장착하여 압연시킬 수 있도록 한 구조로서, 그 합성수지파이프(10a)의 내경(Φ1)을 최대 1.2~2.5배 정도로 확장시킬 수 있는 압연능력을 가지는 것을 갖추도록 한다.Here, the pipe rolling mill 20 has a fixed and movable rollers (21, 22) to be equipped with a synthetic resin pipe (10a) to be rolled, the inner diameter of the synthetic resin pipe (10a) (Φ 1 ) Should have a rolling capacity that can be expanded up to 1.2 ~ 2.5 times.

도2b는 열수축파이프(10b) 내부에 양측의 지중매설관(100)들을 삽입하는 작업공정을 예시한 것이다.Figure 2b illustrates a work process for inserting the underground buried pipes 100 on both sides inside the heat shrink pipe (10b).

이 작업공정에서는 해당 작업위치에 미리 준비되어 있는 양측의 지중매설관 (100)들을 압연 제작된 열수축파이프(10b)의 내부에 끼워서 위치시키게 된다. 이때, 양측의 지중매설관(100)들은 열수축파이프(10b) 내부 중간에 서로 맞닿아지도록 위치시켜서, 양측의 지중매설관(100)들이 어느 한쪽으로 치우침이 없이 보다 견실하게 연결될 수 있도록 배려함이 바람직하다.In this work process, the underground buried pipes 100 of the two sides prepared in advance in the work position are sandwiched and placed inside the rolled heat-shrink pipe 10b. At this time, the underground buried pipes (100) of both sides are positioned to be in contact with each other in the middle of the heat shrink pipe (10b), it is preferable to consider that the underground buried pipes (100) of both sides can be connected more robustly without any bias Do.

도2c는 열수축파이프(10b)로서 지중매설관(100)들을 연결하는 작업공정을 예시한 것이다.Figure 2c illustrates a work process for connecting the underground buried pipe 100 as a heat shrink pipe (10b).

이 작업공정에서는 양측의 지중매설관(100)들이 내부에 끼워져 있는 열수축파이프(10b)을 가열수단(30)으로서 대략 80~120℃로서 가열하여 그 열수축파이프가 점진적으로 열수축되어서 양측의 지중매설관(100)들의 외면에 밀착되도록 연결하게 된다. 이후에 양측의 지중매설관(100)을 감싸서 밀착되는 형태로 열수축되어서 연결된 열수축파이프(10B)는 시간이 경과됨에 따라 양측의 지중매설관(100)들과 사실상 일체화 되어서 틈새없이 밀실하게 연결되는 것이다.In this work process, the heat shrink pipes 10b on which both underground buried pipes 100 are inserted are heated at about 80 to 120 ° C. as the heating means 30, and the heat shrink pipes are gradually thermally contracted so that the underground buried pipes on both sides are gradually contracted. It is connected to be in close contact with the outer surface of the (100). Thereafter, the heat shrink pipes 10B connected by heat shrinkage in a form in which the underground buried pipes 100 on both sides are closely adhered to each other are virtually integrated with the underground buried pipes 100 on both sides to be tightly connected without gaps. .

이와 같이 양측의 지중매설관(100)들을 연결할 때에, 열수축파이프(10b)를 가열하는 시간에 따라 대략 10~50% 정도로 열수축되어 양측의 지중매설관(100)들의 외면에 밀착되면서 연결되기 때문에, 그 열수축파이프(10b)의 열수축능력 범위내에서 다양한 형태와 규격의 지중매설관(100)을 융통성있게 연결 시공할 수 있게 되는 것이다.When connecting the underground buried pipes 100 on both sides as described above, since the heat shrink pipe is heat-shrinked by about 10 to 50% according to the time for heating the heat shrink pipe 10b, and is closely connected to the outer surfaces of the underground buried pipes 100 on both sides, It is possible to flexibly connect the underground buried pipe 100 of various shapes and specifications within the heat shrinkage capacity of the heat shrinkable pipe 10b.

즉, 본발명의 실시예와 같이 나선형의 파형들이 연속적으로 형성되는 나선형의 지중매설관(100)들을 연결하여 줄 수 있을 뿐만 아니라, 본발명 일실시예의 도3에서와 같이 내외면이 평활한 지중매설관(100)들을 연결하여 줄 수도 있으며, 본발명 또 다른실시예의 도4에서와 같이 열수축파이프(10b)의 양측에 관경크기가 서로 다른 지중매설관(100)들을 연결하여 줄 수 있게 되는 것이다.That is, as well as to connect the spiral underground buried pipe 100 is formed in a continuous spiral waveform as in the embodiment of the present invention, as shown in Figure 3 of the embodiment of the present invention is a smooth underground The buried pipes 100 may be connected to each other, and as shown in FIG. 4 of the present invention, the underground pipes 100 having different diameters may be connected to both sides of the heat shrink pipe 10b. .

그리고, 상기 가열수단(30)은 도2c 및 도3에서와 같이 고온의 열풍을 분사시켜주는 열풍히이터(H)로하여 열수축파이프(10b)를 가열하여서 신속하게 열수축되도록 함이 바람직하다.In addition, the heating means 30 is a hot air heater (H) for injecting high temperature hot air, as shown in Figures 2c and 3 it is preferable to heat the heat shrink pipe (10b) to quickly heat shrink.

또, 상기 가열수단(30)은 도5에서와 같이 외부전원으로서 발열되며 소요크기의 가열면적을 가지는 면상발열체(C)로하여 열수축파이프(10b)의 외면을 감싸서 열수축 되도록 가열할 수도 있다. 이러한 면상발열체(C)는 작업자가 열수축파이프(10b)를 손쉽게 가열하여 주어서 작업자의 수고와 번거로움을 감소시켜 주는 데 도움이 된다.In addition, as shown in FIG. 5, the heating means 30 may generate heat as an external power source and heat the heat shrinkage by wrapping the outer surface of the heat shrink pipe 10b with a planar heating element C having a required heating area. The planar heating element (C) is to help the worker to easily heat the heat shrink pipe (10b) to reduce the labor and hassle of the worker.

이상에서 살펴 본 바와 같이, 본발명은 지중매설관들을 압연 가공된 열수축파이프의 열수축작용으로 밀실하게 연결시켜 주도록 하여, 저렴한 비용으로서 지중매설관들을 틈새없이 연결하여 주며, 다양한 규격의 지중매설관들을 융통성있게 연결하여 주며, 지중매설관의 연결작업을 신속하고 능률적으로 수행할 수 있도록 하여 주는 등의 장점을 가지게 되는 것이다.As described above, the present invention allows the underground buried pipes to be tightly connected by the heat shrinking action of the rolled heat-shrink pipe, thereby connecting the underground buried pipes without gaps, and providing underground buried pipes of various specifications. It has the advantage of connecting flexibly and making it possible to carry out the connection work of underground buried pipe quickly and efficiently.

Claims (3)

압연량을 감안한 크기의 내경(Φ)및 단면두께(t)를 가지는 합성수지 파이프 (10a)를 파이프압연기(20)로 가공하여서 예정된 치수의 내경(Φ1)및 단면두께 (t-1)를 가지는 열수축파이프(10b)로 압연하고, 미리 준비된 양측의 지중매설관(100)들을 압연된 열수축파이프(10b)의 내부에 서로 맞닿아지도록 끼워서 위치시키고, 가열수단 (30)으로서 열수축파이프(10b)을 설정된 온도로 가열하여 그 열수축파이프가 점진적으로 열수축되어서 양측의 지중매설관(100)들의 외면에 밀착되도록 연결함을 특징으로 하는 지중매설관의 연결방법.The synthetic resin pipe 10a having an inner diameter Φ and a cross-sectional thickness t having a size in consideration of the rolling amount is processed by the pipe mill 20 to have an inner diameter Φ 1 and a cross-sectional thickness t −1 of a predetermined dimension. Rolled with the heat shrink pipe 10b, the underground buried pipes 100 prepared on both sides are sandwiched and placed in contact with each other inside the rolled heat shrink pipe 10b, and the heat shrink pipe 10b is provided as a heating means 30. Method of connecting the underground buried pipe, characterized in that the heat shrink pipe is gradually heat-shrink by heating to a set temperature to be in close contact with the outer surface of the underground buried pipe (100) on both sides. 제1항에 있어서, 상기 가열수단(30)은 고온의 열풍을 분사시켜 주는 열풍히이터(H)로하여 열수축파이프(10b)의 외면을 가열하여서 열수축되도록 함을 특징으로 하는 지중매설관의 연결방법.The method of claim 1, wherein the heating means (30) is a hot air heater (H) that injects high temperature hot air to heat the outer surface of the heat shrink pipe (10b) so as to heat shrink. . 제1항 또는 제4항에 있어서, 상기 가열수단(30)은 소요크기의 가열면적을 가지는 면상발열체(C)로하여 열수축파이프(10b)의 외면을 감싸서 열수축되도록 가열함을 특징으로 하는 지중매설관의 연결방법.The method according to claim 1 or 4, wherein the heating means 30 is a ground heating element (C) having a heating area of the required size to cover the outer surface of the heat-shrinkable pipe (10b) is heated underground shrinkage Pipe connection method.
KR1019970039018A 1997-08-14 1997-08-14 The connecting method of the pipe under the ground KR100261765B1 (en)

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